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Friday, 13 February 2015

Go Green with Green Cloud Computing

We are aware of this metaphorical based technology called ‘cloud’ which helps companies to host their services over the internet. Cloud allows companies to consume compute as a utility. It is similar to how a telephone or water department works; you consume all power from this single utility at a flexible price and not invest in your own power supply department.
Cloud Computing Data application centers consume voluptuous amounts of energy, this in turn contributes to increased operational costs. A less know fact data centers increase carbon emissions. Recent research shows that excluding the energy consumed by the cooling equipment for the server, a single 300-watt server running throughout a year can cost about $338, and can emit around 1,300 Kilos CO2. According to a McKinsey report, $11.5 billion was the total estimated energy bill for data centers in 2010.
If in the year 2010 1300 kilos of CO2 was produced then with increase use and expansion of cloud computing data usage the production of CO2 will increase by 3 fold. Network based cloud computing is rapidly expanding as an alternative to conventional office based computing. As cloud computing becomes more widespread, the energy consumption of the network and computing resources that underpin the cloud will grow. This is happening at a time when there is increasing attention being paid to the need to manage energy consumption across the entire information and communications technology (ICT) sector. While data center energy use has received much attention recently, there has been less attention paid to the energy consumption of the transmission and switching networks that are key to connecting users to the cloud.
With the increase in energy there is a rise in energy cost. The data centers need a more efficient energy that reduces the production of increased Carbon. Green cloud is a buzzword that refers to the potential environmental benefits that information technology (IT) services delivered over the Internet can offer society. The term combines the words green -- meaning environmentally friendly -- and cloud, the traditional symbol for the Internet and the shortened name for a type of service delivery model known as cloud computing.
Green cloud which reduces the operational cost and carbon footprints. Achieving green cloud computing is a complex and challenging task as the applications and data requirements are growing. This means that more servers and disks are required to carry out requests with given QoS (Quality of service) within the defined SLA (Service Level Agreement). Hence green cloud computing which not only saves energy but which also reduces operational cost is the need of the hour.
According to market research conducted by Pike Research, the wide-spread adoption of cloud computing could lead to a potential 38% reduction in worldwide data center energy expenditures by 2020. The savings would be primarily achieved by consolidating data centers and maximizing power usage efficiency (PUE), improving recycling efforts, lowering carbon and gas emissions and minimizing water usage in cooling the remaining centers.

Because so much of a data center’s energy expenditures support data storage, the Storage Networking Industry Association (SNIA) has promoted new technologies and architectures to help save energy. Advances in SAS drive technologies, automated data duplication, storage virtualization and storage convergence reduce the amount of physical storage a data center requires, which helps decrease its carbon footprint and lower operating expenditures (OPEX) and capital expenditures (CAPEX).
Information and communication technology (ICT) profoundly impacts on environment because of its large amount of CO2 emissions. In the past years, the research field of “green” and low power consumption networking infrastructures is of great importance for both service/network providers and equipment manufacturers. An emerging technology called cloud computing can increase the utilization and efficiency of hardware equipments. It can potentially reduce the global CO2 emission.
Because the color green is also associated with paper money, the label green cloud is sometimes used to describe the cost-efficiency of a cloud computing initiative.

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